this post was submitted on 02 Jan 2024
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ITT: non devs that think multithreading is still difficult.
It's become so trivial in many frameworks/languages nowadays, its starting to actually shifting towards single threading being something you have to do intentionally.
Everything is async by default first class and you have to go out of your way to unparallelize it.
It's being awhile since I have seen anything mainstream that seriously cared about single thread performance enough to make it the most important benchmark.
I care about TDP way more. Your single thread performance doesn't mean shit if your cpu starts to thermal throttle.
Async features in almost all popular languages are a single thread running an event loop (Go being an exception there I believe). Multi threading is still quite difficult to get right if the task isn't trivially parallelizable.
A lot of languages have an asunc/await facade for tasks run on a background thread for result (c#, clj, py, etc), but it's certainly not the default anywhere, and go most goroutines(?)/other csp implementations are probably going to be yielding for some io most of the time at the bottom anyway
Yes I'm mostly familiar with this in Kotlin. Sometimes this is kinda a footgun because you're writing multi threaded code without explicitly doing so.